Multiplication + rounding - practice problems - last page
Number of problems found: 35
- Single-celled 4642
Guts (a single-celled organism) under ideal conditions divides into two littles every 27 hours on average. How many would there be in 7 days if all the littles remained alive? - Rounded 4526
Alfonz grew 150 melons with an average weight of 2.35 kg. He managed to sell them for € 1.50 per kg. How much did he earn? The result is rounded to the euro. - Mineralka 3168
Petr bought 0.35 kg of ham, six rolls, and mineral water for a snack. How much did he pay for the purchase? (Mineralka costs 14.60 CZK, a roll 3.40 CZK, and a kilogram of ham 129 CZK). They rounded up the purchase to whole crowns. - Probability
In the lottery, numbers are drawn five from 50. What are the chances you will win the first prize?
- Snowman 2
On the medal, which has the shape of a circle with a diameter 18 cm, is sketched a snowman so that the following requirements are met: 1. snowman is composed of three circles, 2. space over the snowman is the same as under it, 3. diameters of all circles - Snowman
In a circle with a diameter of 40 cm are drawn three circles (as a snowman) where: its diameters are integers, each larger circle diameter is 2 cm larger than the diameter of the previous circle. Determine snowman height if we wish for the highest snowman - Quotient
Determine the quotient (q) and the remainder (r) from division numbers 100 and 8. Take the test of correctness. - Coke
One ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke? - Ray
Light ray loses 1/14 of brightness passing through a glass plate. What is the brightness of the ray after passing through 10 identical plates?
- Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ... - Time
Write time in minutes rounded to one decimal place: 3 h 48 m 45 s. - Steps
How many steps do you save if you go square estate for diagonal (crosswise) rather than circumvent the two sides of its perimeter with 458 steps? - Numbers
Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - Server
Calculate how many average minutes the web server is unavailable a year if the availability is 99.9%.
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